/**
 * ***************************************************************************** Copyright (c) 2000,
 * 2008 IBM Corporation and others. All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0 which accompanies this
 * distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * <p>Contributors: IBM Corporation - initial API and implementation
 * *****************************************************************************
 */
package org.eclipse.ltk.internal.core.refactoring;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.ltk.core.refactoring.IRefactoringCoreStatusCodes;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.text.edits.MalformedTreeException;

public class Changes {

  public static RefactoringStatus validateModifiesFiles(IFile[] filesToModify) {
    RefactoringStatus result = new RefactoringStatus();
    IStatus status = Resources.checkInSync(filesToModify);
    if (!status.isOK()) result.merge(RefactoringStatus.create(status));
    status = Resources.makeCommittable(filesToModify, null);
    if (!status.isOK()) {
      result.merge(RefactoringStatus.create(status));
      if (!result.hasFatalError()) {
        result.addFatalError(RefactoringCoreMessages.Changes_validateEdit);
      }
    }
    return result;
  }

  public static RefactoringStatus checkInSync(IFile[] filesToModify) {
    RefactoringStatus result = new RefactoringStatus();
    IStatus status = Resources.checkInSync(filesToModify);
    if (!status.isOK()) result.merge(RefactoringStatus.create(status));
    return result;
  }

  public static CoreException asCoreException(BadLocationException e) {
    String message = e.getMessage();
    if (message == null) message = "BadLocationException"; // $NON-NLS-1$
    return new CoreException(
        new Status(
            IStatus.ERROR,
            RefactoringCorePlugin.getPluginId(),
            IRefactoringCoreStatusCodes.BAD_LOCATION,
            message,
            e));
  }

  public static CoreException asCoreException(MalformedTreeException e) {
    String message = e.getMessage();
    if (message == null) message = "MalformedTreeException"; // $NON-NLS-1$
    return new CoreException(
        new Status(
            IStatus.ERROR,
            RefactoringCorePlugin.getPluginId(),
            IRefactoringCoreStatusCodes.BAD_LOCATION,
            message,
            e));
  }
}
